... .7V for single cell, 3times Ni-Cd ,Ni-MH cell.2.. High energy density, 2 times Ni-Cd ,1.5 times Ni-MH cell3. Long life ... photography accessories such as battery grips and Li-ion rechargeable batteries since the year of 2002. Now our factory covers its ... process.With eight production lines we can make 200,000 batteries, 50,000 grips, 5,000 solutions and 5,000 flash ...